W-King X10 vs Zealot S78

Last updated: August 15, 2026

Short answer: the W-King X10. It ranks #62 of 73 boombox speakers by sound quality at $80; the Zealot S78 ranks #73 and costs $91.38, so there is not much of a tradeoff to weigh.

What the W-King X10 offers: 70W RMS output with 120W peak power, exceptional 42-hour battery life, power bank function, IPX6 waterproof, 106dB max volume, EQ with indoor/outdoor modes, dual woofers with tweeters and passive radiators, Bluetooth 5.0 with… Watch for: Heavily rolled off treble, less bass than the top ranked.

What the Zealot S78 offers: 120W RMS output with 150W peak power, exceptional 40-hour battery life, power bank function, IP67 waterproof, EQ with multiple modes, dual woofers with tweeters and passive radiators, MicroSD and USB playback, AUX input, TWS… Watch for: Gets distorted above 50%.

Buy the W-King X10. It ranks higher for sound quality than the Zealot S78 and costs less, so there is no real case for the other one.

If sound quality matters at all to you, skip both of these and look higher up the 73 boombox speakers instead.

W-King X10 vs Zealot S78

Specifications Side By Side

W-King X10 Zealot S78
Price$80$91.38
Ranked#62 of 73 in Boombox Size Portable Bluetooth Speakers#73 of 73 in Boombox Size Portable Bluetooth Speakers
Aux InputYesYes
Bass Extension (-10dB)52Hz-
Battery Life42 hours (Manufacturer specified)40 hours (Manufacturer specified)
IP RatingIPX6IP67
Max Volume106dB-
MicroSD PlaybackYesYes
Power BankYes (USB-A)Yes (USB-A)
StereoYesYes
TWSYesYes
Weight6.5 lbs / 2.95 kg9.7 lbs / 4.4 kg
Bluetooth CodecsSBCSBC
AppNoNo
EQYes (2 modes - Indoor/Outdoor)Yes (multiple modes)
Party ModeNoNo
USB PlaybackYesYes
Built in MicrophoneYesNo
Power InputUSB-CUSB-C
FM TunerNo-
Bluetooth Version5.0-
Output Power70W RMS (120W peak)120W RMS / 150W peak
Dimensions12.4" x 5.5" x 5.3" (315 x 140 x 135 mm)16.1" x 6.6" x 7.3" (410 x 167 x 185 mm)
Drivers2x 3.66" (93mm) subwoofers + 2x 1.2" (31mm) neodymium tweeters + 3x passive radiators2x ~120mm (4.72") woofers + 2x ~42mm tweeters + 2x passive radiators
Digital Aux InputNoNo

More useful head-to-heads from the same speaker class:

The Two Speakers In Full

W-King X10: $80 Amazon Aliexpress

W-King X10 ranking card

Pros: 70W RMS output with 120W peak power, exceptional 42-hour battery life, power bank function, IPX6 waterproof, 106dB max volume, EQ with indoor/outdoor modes, dual woofers with tweeters and passive radiators, Bluetooth 5.0 with 100ft range, MicroSD and USB playback, AUX input, TWS stereo pairing

Cons: Heavily rolled off treble, less bass than the top ranked.

AppNo
Aux InputYes
Bass Extension (-10dB)52Hz
Battery Life42 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version5.0
Built in MicrophoneYes
Digital Aux InputNo
Dimensions12.4" x 5.5" x 5.3" (315 x 140 x 135 mm)
Drivers2x 3.66" (93mm) subwoofers + 2x 1.2" (31mm) neodymium tweeters + 3x passive radiators
EQYes (2 modes - Indoor/Outdoor)
FM TunerNo
IP RatingIPX6
Max Volume106dB
MicroSD PlaybackYes
Output Power70W RMS (120W peak)
Party ModeNo
Power BankYes (USB-A)
Power InputUSB-C
StereoYes
TWSYes
USB PlaybackYes
Weight6.5 lbs / 2.95 kg

As an eBay Partner, we may be compensated if you make a purchase.

Zealot S78: $91.38 Aliexpress Amazon

Zealot S78 ranking card

Pros: 120W RMS output with 150W peak power, exceptional 40-hour battery life, power bank function, IP67 waterproof, EQ with multiple modes, dual woofers with tweeters and passive radiators, MicroSD and USB playback, AUX input, TWS stereo pairing, USB-C charging

Cons: Gets distorted above 50%. Not much bass. Volume level fluctuates at high volume.

AppNo
Aux InputYes
Battery Life40 hours (Manufacturer specified)
Bluetooth CodecsSBC
Built in MicrophoneNo
Digital Aux InputNo
Dimensions16.1" x 6.6" x 7.3" (410 x 167 x 185 mm)
Drivers2x ~120mm (4.72") woofers + 2x ~42mm tweeters + 2x passive radiators
EQYes (multiple modes)
IP RatingIP67
MicroSD PlaybackYes
Output Power120W RMS / 150W peak
Party ModeNo
Power BankYes (USB-A)
Power InputUSB-C
StereoYes
TWSYes
USB PlaybackYes
Weight9.7 lbs / 4.4 kg

As an eBay Partner, we may be compensated if you make a purchase.